Wordpress Global Variables

Usage of global variables in Wordpress is easy syntax, but it also makes breaking of functionalities easier while using them. This is an effort to document all the global variables used by Wordpress and any possible documentation for it to enable wiser use in plugins and templates. A generic rule to follow while using global variables in plugins and themes is that values should only be read from them and they should never be written. Values will be written to them in the Wordpress code and never in the plugins or themes. This documentation is good for Wordpress 2.0.1.

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This post will be continuously updated:

• $admin_page_hooks
• $ajax_results
• $all_links
• $allowedposttags
• $allowedtags
• $authordata
• $bgcolor
• $cache_categories
• $cache_lastcommentmodified
• $cache_lastpostdate
• $cache_lastpostmodified
• $cache_userdata
• $category_cache
• $class
• $comment
• $comment_cache
• $comment_count_cache
• $commentdata
• $current_user
• $day
• $debug
• $descriptions
• $error
• $feeds
• $id
• $is_apache
• $is_IIS
• $is_macIE
• $is_winIE
• $l10n
• $locale
• $link
• $m
• $map
• $max_num_pages
• $menu
• $mode
• $month
• $month_abbrev
• $monthnum
• $more
• $multipage
• $names
• $newday
• $numpages
• $page
• $page_cache
• $paged
• $pagenow
• $pages
• $parent_file
• $preview
• $previousday
• $previousweekday
• $plugin_page
• $post
• $post_cache
• $post_default_category
• $post_default_title
• $post_meta_cache
• $postc
• $postdata
• $posts
• $posts_per_page
• $previousday
• $request
• $result
• $richedit
• $single
• $submenu
• $table_prefix
• $targets
• $timedifference
• $timestart
• $timeend
• $updated_timestamp
• $urls
• $user_ID
• $user_email
• $user_identity
• $user_level
• $user_login
• $user_pass_md5
• $user_url
• $weekday
• $weekday_abbrev
• $weekday_initial
• $withcomments
• $wp
• $wp_broken_themes
• $wp_db_version
• $wp_did_header
• $wp_did_template_redirect
• $wp_file_description
• $wp_filter
• $wp_importers
• $wp_plugins
• $wp_themes
• $wp_object_cache
• $wp_query
• $wp_queries
• $wp_rewrite
• $wp_roles
• $wp_similiesreplace
• $wp_smiliessearch
• $wp_version
• $wpcommentspopupfile
• $wpcommentsjavascript
• $wpdb

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Copyright Abhijit Nadgouda